Why was Peyton Manning mad after AFC loss in Pro Bowl flag football game?

Peyton Manning wasn't thrilled during the last two minutes of the Pro Bowl flag football game, to say the least.

In the final seconds of the AFC's 35-33 loss Sunday to the NFC team coached by his brother Eli Manning, Peyton wasn't thrilled when an official for the Pac-12 allowed them to run the clock out and take a knee. As wide receiver Justin Jefferson was caught waving goodbye to the AFC, Peyton moved from the sideline to where the play ended, shouting a penalty should have been called.

The play occurred after a stopped fourth down by the AFC was overturned by an illegal blitz and a hold. Quarterback Kirk Cousins explained that the official allowed him to take a knee.

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The final play wasn't the only occasion where Peyton disputed a call with the officials. With the rule changes and confusing clock management, the Tennessee Vols legend appeared frustrated with the official on the sidelines during the final three minutes of the game.

Peyton consistently criticized mistakes that were made throughout the NFL season during the Monday Night Football Manningcast, and he unsurprisingly doesn't take them lightly himself.

This article originally appeared on Knoxville News Sentinel: Peyton Manning reaction in AFC's Pro Bowl loss flag football game